<script setup lang="ts">
import { loginApi } from '@/apis/user';
import { USER_KEY } from '@/constants';
import { useUserStore } from '@/stores/user';
import { ElMessage, type FormRules } from 'element-plus';
import { onMounted, reactive, ref } from 'vue';
import { useRouter } from 'vue-router';
// 用户信息仓库
const userStore = useUserStore()
// 路由跳转对象
const router = useRouter()

// 1. 数据
const formData = ref({
  username: '',
  password: '',
  remember: false
})
//表单ref
const formRef = ref()
// 校验表单规则
const rules = reactive<FormRules>({
  username:[
    {required:true,message:'请输入用户名',trigger:'blur'},
  ],
  password:[
    {required:true,message:'请输入密码',trigger:'blur'},
  ]
}) 
// 登录
const login =  ()=>{
  formRef.value.validate(async (valid:boolean) =>{
    if(valid){
      // 校验通过
      // 跳转页面
      const res = await loginApi({
        username:formData.value.username,
        password:formData.value.password
      })
      userStore.setToken(res?.data.token!)
      // 判断是否勾选了记住我
      if(formData.value.remember){
        localStorage.setItem(USER_KEY,JSON.stringify(formData.value))
      }else{
        localStorage.removeItem(USER_KEY)
      }
      ElMessage({
        message:'登录成功',
        type:'success'
      })
      router.replace('/')
    }
  })
}
onMounted(()=>{
  // 进入页面查询本地是否存有账号密码信息
  const userInfo = JSON.parse(localStorage.getItem(USER_KEY)!)
  if(userInfo){
    formData.value = userInfo
  }
})
</script>

<template>
  <div class="login_body">
    <div class="bg" />
    <div class="box">
      <div class="title">智慧园区-登录</div>
      <el-form ref="formRef" :rules="rules" :model="formData">
        <el-form-item label="账号" prop="username" >
          <el-input v-model="formData.username" clearable />
        </el-form-item>

        <el-form-item label="密码" prop="password">
          <el-input v-model="formData.password" type="password" show-password />
        </el-form-item>

        <el-form-item prop="remember">
          <el-checkbox v-model="formData.remember">记住我</el-checkbox>
        </el-form-item>

        <el-form-item>
          <el-button type="primary" class="login_btn" @click="login">登录</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>
<style lang="scss" scoped>
.login_body {
  display: flex;
}

.bg {
  width: 60vw;
  height: 100vh;
  background: url("@/assets/login-bg.svg") no-repeat;
  background-position: right top;
  background-size: cover;
}

.box {
  margin: 200px 10% 0;
  flex: 1;

  .title {
    padding-bottom: 76px;
    font-size: 26px;
    font-weight: 500;
    color: #1e2023;
  }

  ::v-deep() {
    .ant-form-item {
      display: flex;
      margin-bottom: 62px;
      flex-direction: column;
    }

    .ant-form-item-label label {
      font-size: 16px;
      color: #8b929d;
    }

    .ant-input,
    .ant-input-password {
      border-radius: 8px;
    }
  }
}

.login_btn {
  width: 100%;
}
</style>